Common denominators review (article) | Khan Academy
https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-common-denominators/a/common-denominators-review
WEBThe denominators are 8 and 10 . Let's list multiples of each: Multiples of 8 : 8, 16, 24, 32, 40, 48, 56, 64, 72, 80 …. Multiples of 10 : 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 …. 40 and 80 are common multiples of 8 and 10 . So, we can use either of these for a …
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